Molecular spectroscopy of aqueous solutions: a theoretical perspective

T Giovannini, F Egidi, C Cappelli - Chemical Society Reviews, 2020 - pubs.rsc.org
Computational spectroscopy is an invaluable tool to both accurately reproduce the spectra
of molecular systems and provide a rationalization for the underlying physics. However, the …

Continuum vs. atomistic approaches to computational spectroscopy of solvated systems

T Giovannini, C Cappelli - Chemical Communications, 2023 - pubs.rsc.org
Molecular spectral signals can be significantly altered by solvent effects. Among the many
theoretical approaches to this problem, continuum and atomistic solvation models have …

[BOOK][B] Chiroptical spectroscopy: fundamentals and applications

PL Polavarapu - 2016 - taylorfrancis.com
This book details chiroptical spectroscopic methods: electronic circular dichroism (ECD),
optical rotatory dispersion (ORD), vibrational circular dichroism (VCD), and vibrational …

Discovering the elusive global minimum in a ternary chiral cluster: Rotational spectra of propylene oxide trimer

F **e, M Fusè, AS Hazrah, W Jäger… - Angewandte …, 2020 - Wiley Online Library
The chirality controlled conformational landscape of the trimer of propylene oxide (PO), a
prototypical chiral molecule, was investigated using rotational spectroscopy and a range of …

Calculating natural optical activity of molecules from first principles

M Srebro-Hooper, J Autschbach - Annual Review of Physical …, 2017 - annualreviews.org
Computations of natural optical activity (OA) from first principles (ab initio) have become
indispensable in chiroptical studies of molecular systems. Calculations are used to assign …

Polarizable QM/MM approach with fluctuating charges and fluctuating dipoles: the QM/FQFμ model

T Giovannini, A Puglisi, M Ambrosetti… - Journal of chemical …, 2019 - ACS Publications
The novel polarizable FQFμ force field is proposed and coupled to a quantum mechanical
(QM) SCF Hamiltonian. The peculiarity of the resulting QM/FQFμ approach stands in the fact …

Integrated QM/polarizable MM/continuum approaches to model chiroptical properties of strongly interacting solute–solvent systems

C Cappelli - International Journal of Quantum Chemistry, 2016 - Wiley Online Library
Solvent effects on chiroptical properties and spectroscopies can be huge, and affect not only
the absolute value but the sign of molecular chiroptical responses. Therefore, the definition …

Theory and algorithms for chiroptical properties and spectroscopies of aqueous systems

T Giovannini, F Egidi, C Cappelli - Physical Chemistry Chemical …, 2020 - pubs.rsc.org
Chiroptical properties and spectroscopies are valuable tools to study chiral molecules and
assign absolute configurations. The spectra that result from chiroptical measurements may …

Interplay between conformational and solvent effects in UV-visible absorption spectra: Curcumin tautomers as a case study

A Puglisi, T Giovannini, L Antonov… - Physical Chemistry …, 2019 - pubs.rsc.org
We present a combined theoretical and experimental study on the UV-vis spectra of enol–
keto (EK) and keto–keto (KK) tautomeric forms of curcumin dissolved in aqueous solution …

A general route to include Pauli repulsion and quantum dispersion effects in QM/MM approaches

T Giovannini, P Lafiosca, C Cappelli - Journal of Chemical Theory …, 2017 - ACS Publications
A methodology to account for nonelectrostatic interactions in Quantum Mechanical
(QM)/Molecular Mechanics (MM) approaches is developed. Formulations for Pauli repulsion …